<template>
	<div class="header">
		<div class="logo-img">
			<img src="../../../static/img/logo.jpg"/>
		</div>
		<div class="logo">后台管理系统</div>
		<div class="user-info">
			<el-dropdown trigger="click" @command="handleCommand">
				<span class="el-dropdown-link">
                    <img class="user-logo" src="../../../static/img/img.jpg">
                    {{username}}
                </span>
                <el-dropdown-menu slot="dropdown">
                    <el-dropdown-item command="loginout">退出</el-dropdown-item>
                </el-dropdown-menu>
			</el-dropdown>
		</div>
	</div>
</template>
<script>
	export default{
		data(){
			return {
				name:'李保成'
			}
		},
		computed:{
			username(){
				let username=localStorage.getItem('ms_username');
				console.log(username)
				return username? username : name;
			}
		},
		methods:{
			handleCommand(command){
				if(command=='loginout'){
					localStorage.removeItem('ms_username');
					this.$router.push('/login');
				}
			}
		}
	}
</script>
<style>
	.header{
		position: relative;
		box-sizing: border-box;
		width: 100%;
		height: 70px;
		line-height: 70px;
		color: #fff;
	}
	.header .logo-img{
		float: left;
		width: 200px;
	}

	.header .logo{
		float: left;
		width: 250px;
		text-align: left;
		font-size: 25px;
		padding-left: 40px;
	}
	.user-info{
		float: right;
		padding-right: 50px;
		font-size: 16px;
		color: #fff;
	}
	.user-info .el-dropdown-link{
		position: relative;
		display: inline-block;
		padding-left: 50px;
		color: #fff;
		cursor: pointer;
		vertical-align: middle;
	}
	.user-info .user-logo{
		position: absolute;
		left: 0;
		top: 15px;
		width: 40px;
		height: 40px;
		border-radius: 50%;
	}
	.el-dropdown-menu__item{
        text-align: center;
    }
</style>